Table 2.
C species content (at%) of the sample according to XPS analysis from Figure 3.
| Samples | C=C | N–C=N | C–O–C | C–OH | –COOH |
|---|---|---|---|---|---|
| GO | 48.01 | / | 44.57 | 2.97 | 4.45 |
| GndCl/GO | 51.95 | 7.56 | 23.97 | 7.51 | 9.02 |
| g-C3N4/GO | 51.61 | 5.31 | 7.89 | 19.80 | 15.40 |
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